US2728629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the treatment of synthetic threads
Assignee: Akzona Inc
•
Filing: 1950-11-20
•
Granted: 1955-12-27
•
Expires: 1970-11-20
Abstract
No abstract record available.
Inventors
- 👤 Blomberg Barend Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:41
CPC Classifications
D; D06; D06B; D06B1/00; D06B1/08; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D10/0463
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A PROCESS FOR THE LIQUID AFTERTREATMENT OF A SHEET OF SPACED SEPARATE PARALLEL SYNTHETIC THREADS THAT COMPRISES, ESTABLISHING A LIQUID TREATING BATH HAVING A SUBSTANTIAL DEPTH OF LIQUID THEREIN, PASSING SAID SHEET OF THREADS LINEARLY AND SUBSTANTIALLY HORIZONTALLY THROUGH SAID BATH IMMEDIATELY BELOW THE UPPER SURFACE OF THE BATH AND IMMEDIATELY ABOVE THE UPPER SURFACE OF A LAYER OF SUBSTANTIAL THICKNESS OF A WAVE DAMPING MATERIAL COMPRISING A LARGE NUMBER OF INERT SOLID BODIES DISPOSED IN THE
Claim 2
Dependent Claim
77 words
A PROCESS FOR THE LIQUID AFTERTREATMENT OF A SHEET OF SPACED SEPARATE PARALLEL SYNTHETIC THREADS THAT COMPRISES, ESTABLISHING A LIQUID TREATING BATH HAVING A SUBSTANTIAL DEPTH OF LIQUID THEREIN, PASSING SAID SHEET OF THREADS LINEARLY AND SUBSTANTIALLY HORIZONTALLY THROUGH SAID BATH IMMEDIATELY BELOW THE UPPER SURFACE OF THE BATH AND IMMEDIATELY ABOVE THE UPPER SURFACE OF A LAYER OF SUBSTANTIAL THICKNESS OF A WAVE DAMPING MATERIAL COMPRISING A LARGE NUMBER OF INERT SOLID BODIES DISPOSED IN THE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |